CVE-2022-43972

A null pointer dereference vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. A null pointer dereference in the soap_action function within the upnp binary can be triggered by an unauthenticated attacker via a malicious POST request invoking the AddPortMapping action.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://youtu.be/73-1lhvJPNg	Exploit Third Party Advisory
https://youtu.be/RfWVYCUBNZ0	Exploit Third Party Advisory
https://youtu.be/TeWAmZaKQ_w	Exploit Third Party Advisory
https://youtu.be/73-1lhvJPNg	Exploit Third Party Advisory
https://youtu.be/RfWVYCUBNZ0	Exploit Third Party Advisory
https://youtu.be/TeWAmZaKQ_w	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:linksys:wrt54gl_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:linksys:wrt54gl:-:*:*:*:*:*:*:*

History

21 Nov 2024, 07:27

Type	Values Removed	Values Added
Summary		(es) Existe una vulnerabilidad de desreferencia de puntero nulo en el router Linksys WRT54GL Wireless-G Broadband con firmware <= 4.30.18.006. Un atacante no autenticado puede desencadenar una desreferencia de puntero nulo en la función SOAP_action dentro del binario upnp a través de una solicitud POST maliciosa que invoca la acción AddPortMapping.
CVSS	v2 : ~~unknown~~ v3 : ~~7.5~~	v2 : unknown v3 : 6.5
References	~~() https://youtu.be/73-1lhvJPNg - Exploit, Third Party Advisory~~	() https://youtu.be/73-1lhvJPNg - Exploit, Third Party Advisory
References	~~() https://youtu.be/RfWVYCUBNZ0 - Exploit, Third Party Advisory~~	() https://youtu.be/RfWVYCUBNZ0 - Exploit, Third Party Advisory
References	~~() https://youtu.be/TeWAmZaKQ_w - Exploit, Third Party Advisory~~	() https://youtu.be/TeWAmZaKQ_w - Exploit, Third Party Advisory

Information

Published : 2023-01-09 21:15

Updated : 2024-11-21 07:27

NVD link : CVE-2022-43972

Mitre link : CVE-2022-43972

CVE.ORG link : CVE-2022-43972

JSON object : View

Products Affected

linksys

wrt54gl
wrt54gl_firmware

CWE

CWE-476

NULL Pointer Dereference

{"id": "CVE-2022-43972", "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "trellixpsirt@trellix.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2023-01-09T21:15:10.920", "references": [{"url": "https://youtu.be/73-1lhvJPNg", "tags": ["Exploit", "Third Party Advisory"], "source": "trellixpsirt@trellix.com"}, {"url": "https://youtu.be/RfWVYCUBNZ0", "tags": ["Exploit", "Third Party Advisory"], "source": "trellixpsirt@trellix.com"}, {"url": "https://youtu.be/TeWAmZaKQ_w", "tags": ["Exploit", "Third Party Advisory"], "source": "trellixpsirt@trellix.com"}, {"url": "https://youtu.be/73-1lhvJPNg", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://youtu.be/RfWVYCUBNZ0", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://youtu.be/TeWAmZaKQ_w", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "trellixpsirt@trellix.com", "description": [{"lang": "en", "value": "CWE-476"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "A null pointer dereference vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. A null pointer dereference in the soap_action function within the upnp binary can be triggered by an unauthenticated attacker via a malicious POST request invoking the AddPortMapping action."}, {"lang": "es", "value": "Existe una vulnerabilidad de desreferencia de puntero nulo en el router Linksys WRT54GL Wireless-G Broadband con firmware <= 4.30.18.006. Un atacante no autenticado puede desencadenar una desreferencia de puntero nulo en la funci\u00f3n SOAP_action dentro del binario upnp a trav\u00e9s de una solicitud POST maliciosa que invoca la acci\u00f3n AddPortMapping."}], "lastModified": "2024-11-21T07:27:27.420", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linksys:wrt54gl_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AC08DC7C-7FBB-4CD6-89F1-7F4997BC9CAE", "versionEndIncluding": "4.30.18.006"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:linksys:wrt54gl:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "04AA9149-2F72-4585-8A41-66AE3D573197"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "trellixpsirt@trellix.com"}